package day03;

import javax.print.DocFlavor;

public class OperDemo5 {
    public static void main(String[] args) {
        int age=40;
        System.out.println(age);
        System.out.println("age=");
        System.out.println("age="+age);
        System.out.println("我今年"+age+"岁了");
        String name="WKJ";
        System.out.println("hello，my name is "+name+"，今年"+age+"岁了。");
        System.out.println(10+20+""+30);
        System.out.println(10+""+20+30);
        System.out.println(""+10+20+30);
        System.out.println(10+20+30+"");
        System.out.println("");

        int ages=34;
        System.out.println(ages);
        System.out.println("ages=");
        System.out.println("ages="+ages);
        System.out.println("我今年"+ages+"岁了");
        String university="zhongbei",car="benchi";

    }
}
